The characteristics and trend of change of risk factors in patients with myocardial infarction in the past 13 years 13年来心肌梗死患者危险因素特点和变化趋势
2.
Some theoretical documents and practical condition of our stock markets were the main material of this chapter . results showed that the change of risk structure is affiliated with diversity of investors and rationality of themselves . it also has something to do with the reduction of government interference 本章分析问题的依据和切入点主要是理论中的一些假设条件与我国的现实环境之间的差异性，因此，一些对资本市场均衡定价理论进行完善的理论性文献和对我国股市现实性考察的基本观点成了本章论证的基本材料。
